BL-M4100

• Intuitive and powerful braking
  
• Quicker brake engagement with shorter free stroke
  
• Rider tunable and action-optimized cockpit
  
• High-performance brake control
  
• Additional contact point for a stiffer brake lever
  
• 10 deg. rotation angle setting range for I-SPEC EV shifting lever
  
  BR-MT420
  
• 90% braking power vs. BR-MT520
  
• 20% increase braking power vs. current 2-piston BR-MT400
  
• 150% better wear-resistance vs. current 2-piston BR-MT400
  
• Brake pad: resin, metal
  
  
• Pre-assembled and bled brake lever and caliper, with SM-BH59-SS hose & mineral oil
  
• Without rotor and adapter
  
• One-way bleeding system

Attributes

Brake Material	Aluminum
Fluid	Mineral oil
Lever Blade Material	Aluminum
Primary Color	Black
Disc Diameter	Not included
Pistons	4
Caliper mount	Post mount